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1, maintain a positive state of mind: positive state of mind, such as motivation, hope, ideal, to the old people to prevent mental aging, maintain mental health is of great significance. More than 2, brain, often thinking: make the brain cells and tissues and organs not atrophy. 3, take part in physical exercise: to enhance their physique, to increase the power to resist disease. 4, handle interpersonal relationships: get along, feeling harmony.